Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Pollution
Which of the following types of particulate matter pollutants are used in the calculation of the Air Quality Index (AQI)?
(A) TSP (Total Suspended Particles)
(B) PM 10 (Particulate matters of size 10 micron or less)
(C) PM 2.5 (Particulate matter of size 2.5 micron or less)
(D) PM 1 (Particulate matter of size 1 micron or less)
Choose the correct answer from the options given below:
1
(B), (C) and (D) only
2
(A) and (B) only
3
(B) and (C) only
4
(A), (B) and (C) only